424546189 has 2 divisors, whose sum is σ = 424546190. Its totient is φ = 424546188.

The previous prime is 424546163. The next prime is 424546193. The reversal of 424546189 is 981645424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337273225 + 87272964 = 18365^2 + 9342^2 .

It is a cyclic number.

It is not a de Polignac number, because 424546189 - 2⁷ = 424546061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424546139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212273094 + 212273095.

It is an arithmetic number, because the mean of its divisors is an integer number (212273095).

Almost surely, 2^424546189 is an apocalyptic number.

It is an amenable number.

424546189 is a deficient number, since it is larger than the sum of its proper divisors (1).

424546189 is an equidigital number, since it uses as much as digits as its factorization.

424546189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 43.

The square root of 424546189 is about 20604.5186548970. The cubic root of 424546189 is about 751.5795976410.

The spelling of 424546189 in words is "four hundred twenty-four million, five hundred forty-six thousand, one hundred eighty-nine".